Safety Interlock switch acting up

[Scott_in_WVA]

Yesterday,
I was out mowing on my JD 4400 and the tractor was cutting out on me,well when ever I bounced around on the seat it seemed to help me keep it going,today I was driving again and it was doing the same thing,finally it got to the point,when I could get it started it would idle alright,but when I pushed the hydro pedal it would die.
Sometimes I would jiggle the pto engage lever and that would allow me to start.I am not sure which switch or where.
What do you think?

 

[JerryG]

Check all your safety interlock switchs. It sounds like you have a loose connection at one of them.

 

[Tags]

The first day I used my 110 if you were driving over rough ground it would stop driving,it turned out to be the seat switch,the rough ground caused the machine to bounce a bit,thus bouncing me,which activated the seat switch.I located the switch and jumped it with a jumper wire,I know this may not be the safest thing,but how else am I supposed to run the thing,I'm all for being safe,but make the safety stuff make sense.